Garden trowel



FIG. 1 is a perspective view, taken from above, showing my new design;

FIG. 2 is an enlarged top plan view of the design;

FIG. 3 is an enlarged side elevational view of the design;

FIG. 4 is an enlarged bottom plan view of the design;

FIG. 5 is an enlarged front elevational view of the design; and

FIG. 6 is an enlarged rear elevational view of the design. 

The ornamental design for a garden trowel, substantially as shown and described. 